160 jobs for “Professional Services”
ElevenLabs
Design, build and maintain open source SDKs, client and server libraries and an MCP server to drive developer adoption, while shaping the ElevenLabs API and developer tooling. Acts as "customer zero" for new developer products, jumping across languages and the stack, with scope to write technical content and speak at conferences.
MCP
A four-month, full-time research fellowship focused on empirical AI safety and security projects, using external infrastructure like open-source models and public APIs. Fellows receive direct mentorship from Anthropic researchers, join a shared workspace or work remotely, and aim to produce a public output such as a paper submission.
Large Language Models · Deep Learning Frameworks
Anthropic · 51–200 people · Series B
Four-month, full-time research fellowship in the Economics & Policy workstream, mentored by Anthropic researchers. Fellows design empirical studies on AI's economic effects, labour markets, and cyber/bio offense-defense balance, using open-source models and public APIs, with the goal of publishing a paper.
Open-Source Models · Public APIs
Isomorphic Labs · 201–500 people · Series A
Lead translational biology for small-molecule drug discovery, designing in vitro/in vivo pharmacology, PK/PD and safety packages and biomarker strategies that bridge ML predictions to clinical translation. Oversee CRO networks and provide scientific input to ML, DMPK, toxicology and clinical teams, with some roles line-managing 2-3 in vivo pharmacologists.
Machine Learning · AlphaFold
Luminance · 51–200 people · Series C
Join a small R&D team prototyping and implementing new AI approaches, evaluating output quality, efficiency and feasibility against alternative techniques in a data-driven way. Work spans large dataset handling, modelling and evaluation using Python ML frameworks such as PyTorch, TensorFlow and Scikit-Learn, with senior candidates contributing NLP, computer vision or deep learning expertise.
PyTorch · TensorFlow · Scikit-Learn
Luminance · 51–200 people · Series C
This is a fantastic opportunity to join Luminance, the pioneer of Legal-Grade™ AI for enterprise. Backed by internationally renowned VCs and named in both the Forbes AI 50 list of ‘Most Promising Private AI Companies in the World’ and Inc.…
Anthropic · 51–200 people · Series B
Gatekeeper for EMEA data center deals from desktop review through LOI to lease execution, spending about 75% of time on preconstruction and pre-lease diligence and 25% on delivery. Independently tests developer schedules, costs, power and permitting against source documents, shapes lease and contract terms, and embeds with partners on site to drive accelerated build schedules.
Claude
Conducts empirical research on AI's economic effects, building and extending the Anthropic Economic Index with regionally-specific analysis. Develops novel measurement methodologies using econometrics, machine learning, and structural estimation, and engages governments, academia, and industry partners to translate findings into policy recommendations.
Claude
Join the Pretraining team to develop next-generation large language models, working across model architecture, algorithms, data processing and optimizer development. You'll lead small research projects, design and analyse experiments, and scale distributed training infrastructure to thousands of GPUs, blending research and engineering in a highly collaborative environment.
PyTorch · Kubernetes · GPUs +1
Own critical parts of a production pretraining pipeline, covering performance optimization, observability, reliability and hardware debugging across the full stack. The role splits roughly 50/50 between research and engineering, with on-call incident response during model launches and close collaboration with teams in SF and London.
JAX · TPU · PyTorch +3
Anthropic · 51–200 people · Series B
A four-month, full-time research fellowship focused on empirical AI projects in either ML systems and performance or reinforcement learning. Fellows work with external infrastructure like open-source models and public APIs, receive direct mentorship from Anthropic researchers, and aim to produce a public output such as a paper submission.
Claude
Anthropic · 51–200 people · Series B
Partner-facing role embedding with nonprofits, research institutes and academic medical centres to apply Claude to clinical development for rare and neglected diseases. You'll design and review trial protocols, build tools for drug repurposing from literature, omics and patient data, and create reusable infrastructure like MCP servers and benchmarks.
Claude · MCP
Luminance · 51–200 people · Series C
This is a fantastic opportunity to join Luminance, the pioneer of Legal-Grade™ AI for enterprise. Backed by internationally renowned VCs and named in both the Forbes AI 50 list of ‘Most Promising Private AI Companies in the World’ and Inc.…
Luminance · 51–200 people · Series C
This is a fantastic opportunity to join Luminance, the pioneer of Legal-Grade™ AI for enterprise. Backed by internationally renowned VCs and named in both the Forbes AI 50 list of ‘Most Promising Private AI Companies in the World’ and Inc.…
Luminance · 51–200 people · Series C
This is a fantastic opportunity to join Luminance, the pioneer of Legal-Grade™ AI for enterprise. Backed by internationally renowned VCs and named in both the Forbes AI 50 list of ‘Most Promising Private AI Companies in the World’ and Inc.…
